disappoint的形容詞是disappointed。名詞是disappointment。
disappoint:v.使失望使破滅使落空。
第三人稱單數: disappoints現在分詞: disappointing過去式: disappointed過去分詞: disappointed 擴展資料 
I was disappointed by the quality of the wine.
這酒的`質量令我失望。
Don't raise your hopes too high, or you may be disappointed.
不要希望過高,否則你可能會失望的。
The new government had soon disappointed the hopes of many of its supporters.
新政府不久便使許多支持者的希望破滅了。
The outcome of the court case was disappointing for the family involved.
訴訟案的結果使得涉及本案的這家人非常失望。